
#-------------------------------------------------------------------------------
# Copyright (c) 2013-2013, Lars Baehren <lbaehren@gmail.com>
# All rights reserved.
#
# Redistribution and use in source and binary forms, with or without modification,
# are permitted provided that the following conditions are met:
#
#  * Redistributions of source code must retain the above copyright notice, this
#    list of conditions and the following disclaimer.
#  * Redistributions in binary form must reproduce the above copyright notice,
#    this list of conditions and the following disclaimer in the documentation
#    and/or other materials provided with the distribution.
#
# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
# AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
# IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
# DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
# FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
# DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
# SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
# CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
# OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
# OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
#-------------------------------------------------------------------------------

# DISCOUNT is a implementation of John Gruber's Markdown markup language.
#
# DISCOUNT is free software written by David Parsons <orc@pell.chi.il.us>;
# it is released under a BSD-style license that allows you to do
# as you wish with it as long as you don't attempt to claim it as
# your own work.
#
# The following variables are set when DISCOUNT is found:
#  DISCOUNT_FOUND      = Set to true, if all components of DISCOUNT have been found.
#  DISCOUNT_INCLUDES   = Include path for the header files of DISCOUNT
#  DISCOUNT_LIBRARIES  = Link these to use DISCOUNT
#  DISCOUNT_LFLAGS     = Linker flags (optional)

if (NOT DISCOUNT_FOUND)

  if (NOT DISCOUNT_ROOT_DIR)
    set (DISCOUNT_ROOT_DIR ${CMAKE_INSTALL_PREFIX})
  endif (NOT DISCOUNT_ROOT_DIR)

  ##____________________________________________________________________________
  ## Check for the header files

  find_path (DISCOUNT_INCLUDES
    NAMES mkdio.h
    HINTS ${DISCOUNT_ROOT_DIR} ${CMAKE_INSTALL_PREFIX}
    PATH_SUFFIXES include
    )

  ##____________________________________________________________________________
  ## Check for the library

  find_library (DISCOUNT_LIBRARIES markdown
    HINTS ${DISCOUNT_ROOT_DIR} ${CMAKE_INSTALL_PREFIX}
    PATH_SUFFIXES lib
    )

  ##____________________________________________________________________________
  ## Check for the executable

  find_program (MARKDOWN_EXECUTABLE markdown
    HINTS ${DISCOUNT_ROOT_DIR} ${CMAKE_INSTALL_PREFIX}
    PATH_SUFFIXES bin
    )

  ##____________________________________________________________________________
  ## Actions taken when all components have been found

  find_package_handle_standard_args (DISCOUNT DEFAULT_MSG
      DISCOUNT_LIBRARIES DISCOUNT_INCLUDES MARKDOWN_EXECUTABLE
      )

  if (DISCOUNT_FOUND)
      ## Update DISCOUNT_ROOT DIR
      get_filename_component (_name ${MARKDOWN_EXECUTABLE} NAME)
      string (REGEX REPLACE "/bin/${_name}" "" DISCOUNT_ROOT_DIR ${MARKDOWN_EXECUTABLE})
      ## Display variables
      if (NOT DISCOUNT_FIND_QUIETLY)
          message (STATUS "Found components for DISCOUNT")
          message (STATUS "DISCOUNT_ROOT_DIR   = ${DISCOUNT_ROOT_DIR}")
          message (STATUS "DISCOUNT_INCLUDES   = ${DISCOUNT_INCLUDES}")
          message (STATUS "DISCOUNT_LIBRARIES  = ${DISCOUNT_LIBRARIES}")
          message (STATUS "MARKDOWN_EXECUTABLE = ${MARKDOWN_EXECUTABLE}")
      endif (NOT DISCOUNT_FIND_QUIETLY)
  else (DISCOUNT_FOUND)
      if (DISCOUNT_FIND_REQUIRED)
          message (FATAL_ERROR "Could not find DISCOUNT!")
      endif (DISCOUNT_FIND_REQUIRED)
  endif (DISCOUNT_FOUND)

  ##____________________________________________________________________________
  ## Mark advanced variables

  mark_as_advanced (
    DISCOUNT_ROOT_DIR
    DISCOUNT_INCLUDES
    DISCOUNT_LIBRARIES
    MARKDOWN_EXECUTABLE
    )

endif (NOT DISCOUNT_FOUND)
